/Engine/Source/Runtime/Engine/Public/MaterialCompiler.h
Register a parameterized sparse volume texture to be sampled.
The code chunk index of the texture parameter.
int32 SparseVolumeTextureParameter ( [FName](API\Runtime\Core\UObject\FName) ParameterName, [USparseVolumeTexture](API\Runtime\Engine\SparseVolumeTexture\USparseVolumeTexture) * InDefaultTexture, int32 & TextureReferenceIndex, EMaterialSamplerType SamplerType )